Bloomberg: The climate-change legislation that cleared a committee of the U.S. House yesterday would set an effective price floor for carbon-dioxide permits of $10 each, according to an emissions trading group. The legislation that passed the House Energy and Commerce Committee would establish a “cap-and-trade” program in which the federal government would sell 15 percent of the permits at auction. In 2012, the first year of the program, the reserve price would be $10 a permit. This would …